Water

The World Meteorological Organization warns that climate-related shortages in water resources could affect two thirds of the world’s population by midcentury and will be felt unevenly

“Paleo valleys,” carved by ice age rivers and now underground, could provide spaces to recharge California’s depleted groundwater

The Clean Water Act, a bipartisan piece of legislation that has fundamentally changed water pollution in the U.S., is under attack when it should be strengthened instead

Millions of miles of U.S. rivers have dramatically improved in the half-century after the Clean Water Act, but climate change and other types of pollution still pose threats

As the new term begins, the Supreme Court debates what wetlands should be protected under one of the EPA’s most successful and controversial efforts

The Jackson, Miss., disaster rings alarm bells about myriad problems lurking in water systems across the country

Cuts to states’ use of Colorado River water are needed to prevent levels in Lake Mead and Lake Powell from dropping below a critical point

Scientists say the current drought in the West is the region’s driest 22-year stretch in more than 1,200 years

These little-studied mini twisters form beautiful loops under the water’s surface

Western states’ “atmospheric thirst” means more fires and strained water supplies

Cities are sinking as they guzzle groundwater—and oil and gas—from below

As of April 1, statewide snowpack stood at just 38 percent of the average for that date